Overview
The TLV431BQDBZRQ1 is a precision programmable shunt voltage reference produced by Texas Instruments. This component is designed for applications requiring stable voltage references with low dynamic impedance and low operating current. It is part of the TLV431 series, which is known for its high accuracy and reliability. The TLV431BQDBZRQ1 is specifically qualified for automotive applications, making it suitable for use in harsh environments. Its key selling points include its high precision, low power consumption, and automotive-grade reliability, making it ideal for automotive electronics, industrial control systems, and portable devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Reference Voltage | 1.24 | V | ±0.5% accuracy |
| Operating Current | 0.1 to 15 | mA | Low power consumption |
| Dynamic Impedance | 0.25 | Ω | Typical at 1 mA |
| Temperature Range | -40 to +125 | °C | Automotive-grade |
| Package | SOT-23-3 | Small form factor | |
| Output Voltage Range | 1.24 to 6 | V | Programmable |
| Quiescent Current | 80 | µA | Typical |
| Line Regulation | 0.2 | mV/V | Typical |
| Load Regulation | 0.3 | mV/mA | Typical |
| Qualification | AEC-Q100 | Automotive-grade |
Key Features
- High Precision: Provides a reference voltage with ±0.5% accuracy, ensuring reliable performance in critical applications.
- Low Power Consumption: Operates with a quiescent current of 80 µA, making it suitable for battery-powered devices.
- Programmable Output: The output voltage can be adjusted from 1.24 V to 6 V, offering flexibility in design.
- Automotive-Grade: Qualified to AEC-Q100 standards, ensuring reliability in automotive environments.
- Small Form Factor: Available in a compact SOT-23-3 package, ideal for space-constrained applications.
Applications
The TLV431BQDBZRQ1 is widely used in various applications, including:
- Automotive Electronics: Used in engine control units, infotainment systems, and power management modules due to its automotive-grade reliability.
- Industrial Control Systems: Provides stable voltage references for sensors, actuators, and control circuits.
- Portable Devices: Ideal for battery-powered devices such as smartphones, tablets, and wearables due to its low power consumption.
- Power Supplies: Used in voltage regulation circuits to ensure stable output voltages.
Q & A
1. What is the reference voltage of the TLV431BQDBZRQ1?
The reference voltage is 1.24 V with ±0.5% accuracy.
2. What is the operating current range of this component?
The operating current ranges from 0.1 mA to 15 mA.
3. Is the TLV431BQDBZRQ1 suitable for automotive applications?
Yes, it is qualified to AEC-Q100 standards, making it suitable for automotive applications.
4. What is the typical dynamic impedance of this component?
The typical dynamic impedance is 0.25 Ω at 1 mA.
5. What is the temperature range for operation?
It operates within a temperature range of -40°C to +125°C.
6. What package does the TLV431BQDBZRQ1 come in?
It comes in a compact SOT-23-3 package.
7. Can the output voltage be adjusted?
Yes, the output voltage can be programmed from 1.24 V to 6 V.
8. What is the typical quiescent current?
The typical quiescent current is 80 µA.
9. What is the line regulation of this component?
The typical line regulation is 0.2 mV/V.
10. What is the load regulation of the TLV431BQDBZRQ1?
The typical load regulation is 0.3 mV/mA.
